Use Matrix build strategy, Remove comments

.github/workflows/main.yml

@@ -1,27 +1,23 @@
-# This is a basic workflow to help you get started with Actions
+name: Deploy
 
-name: CI
-
-# Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the master branch
 on:
   push:
     branches: 
       - master 
       - github-actions
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   build-infraonly:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2 # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
     
     - name: Login to Dockerhub
       run: echo ${{secrets.DOCKERHUB_PASSWORD}} | docker login -u ${{secrets.DOCKERHUB_USER}} --password-stdin
     
     - name: Build infraonly
-      run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:infraonly -f ctan/Dockerfile.infraonly .
+      working-directory: ./ctan
+      run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:infraonly -f Dockerfile.infraonly .
       
     - name: Upload infraonly image
       run: docker push ${{secrets.DOCKERHUB_USER}}/latex:infraonly
@@ -29,54 +25,31 @@ jobs:
   build-incremental:
     runs-on: ubuntu-latest
     needs: [build-infraonly]
+    strategy:
+      matrix:
+        scheme : [minimal, basic] #, small, context, gust, medium, tetex, full]
+        include:
+          - scheme: minimal
+            source: infraonly
+          - scheme: basic
+            source: minimal
+      fail-fast: true
+      max-parallel: 1
     steps:
       - uses: actions/checkout@v2
       
       - name: Login to Dockerhub
         run: echo ${{secrets.DOCKERHUB_PASSWORD}} | docker login -u ${{secrets.DOCKERHUB_USER}} --password-stdin
     
-      - name: Build minimal 
+      - name: Build ${{matrix.scheme}} 
         working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:minimal --build-arg SOURCE=infraonly --build-arg SCHEME=minimal .
+        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:${{matrix.scheme}} --build-arg SOURCE=${{matrix.source}} --build-arg SCHEME=${{matrix.scheme}} .
-
-      - name: Build basic 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:basic --build-arg SOURCE=minimal --build-arg SCHEME=basic .
-
-      - name: Build small 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:small --build-arg SOURCE=basic --build-arg SCHEME=small .
-
-      - name: Build context 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:context --build-arg SOURCE=small --build-arg SCHEME=context .
-
-      - name: Build gust 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:gust --build-arg SOURCE=context --build-arg SCHEME=gust .
-
-      - name: Build medium 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:medium --build-arg SOURCE=gust --build-arg SCHEME=medium .
-
-      - name: Build tetex 
-        working-directory: ./ctan
-        run: docker build -t ${{secrets.DOCKERHUB_USER}}/latex:tetex --build-arg SOURCE=medium --build-arg SCHEME=tetex .
-
-      - name: Build full
-        working-directory: ./ctan
-        run: |
-          docker build -t ${{secrets.DOCKERHUB_USER}}/latex:full --build-arg SOURCE=tetex --build-arg SCHEME=full .
-          docker tag ${{secrets.DOCKERHUB_USER}}/latex:full ${{secrets.DOCKERHUB_USER}}/latex:latest
         
-      - name: Upload images
+      - name: Upload ${{ matrix.scheme }}
+        run: docker push ${{secrets.DOCKERHUB_USER}}/latex:minimal
+
+      - name: Tag as latest
+        if: matrix.isLatest
         run: |
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:minimal
+          docker tag ${{secrets.DOCKERHUB_USER}}/latex:full ${{secrets.DOCKERHUB_USER}}/latex:latest
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:basic
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:small
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:context
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:gust
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:medium
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:tetex
-          docker push ${{secrets.DOCKERHUB_USER}}/latex:full
           docker push ${{secrets.DOCKERHUB_USER}}/latex:latest